APA (7e ed.) Bronvermelding

MACNAB, A. (2002). Earth retention systems handbook. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

MACNAB, Alan. Earth Retention Systems Handbook. New York: McGraw-Hill, 2002.

MLA (9e ed.) Bronvermelding

MACNAB, Alan. Earth Retention Systems Handbook. McGraw-Hill, 2002.